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WM8904ECS/R Datasheet(PDF) 154 Page - Wolfson Microelectronics plc

Part # WM8904ECS/R
Description  Ultra Low Power CODEC for Portable Audio Applications
PDF  188 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8904ECS/R Datasheet(HTML) 154 Page - Wolfson Microelectronics plc

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WM8904
Pre-Production
w
PP, Rev 3.3, September 2012
154
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R42 (2Ah)
DRC 2
5:3
DRC_HI_COM
P [2:0]
000
Compressor slope (upper region)
000 = 1 (no compression)
001 = 1/2
010 = 1/4
011 = 1/8
100 = 1/16
101 = 0
110 to 111 = Reserved
Dynamic Range
Control (DRC)
2:0
DRC_LO_COM
P [2:0]
000
Compressor slope (lower region)
000 = 1 (no compression)
001 = 1/2
010 = 1/4
011 = 1/8
100 = 0
101 to 111 = Reserved
Dynamic Range
Control (DRC)
Register 2Ah DRC 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R43 (2Bh)
DRC 3
10:5
DRC_KNEE_IP
[5:0]
00_0000
Input signal at the Compressor 'knee'.
000000 = 0dB
000001 = -0.75dB
000010 = -1.5dB
… (-0.75dB steps)
111100 = -45dB
111101 to 111111 = Reserved
Dynamic Range
Control (DRC)
4:0
DRC_KNEE_O
P [4:0]
0_0000
Output signal at the Compressor 'knee'.
00000 = 0dB
00001 = -0.75dB
00010 = -1.5dB
… (-0.75dB steps)
11110 = -22.5dB
11111 = Reserved
Dynamic Range
Control (DRC)
Register 2Bh DRC 3



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